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Tech Support Concepts > Chapter 13 > Flashcards

Chapter 13 Flashcards

1
Q

What is the definition for a UART?

A

A device that converts input data from serial to parallel, and converts output data from parallel to serial.

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2
Q

Which of the following is an explanation of an IEEE 1394 self-healing loop?

A

The IEEE 1394b interface can correct errors made in connecting IEEE 1394b devices.

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3
Q

The PC is eliminated from USB data transfers by the USB 2.0 USB-On-The-Go supplement.

A

True

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4
Q

Which of the problems listed below make parallel cabling less desirable than serial cabling for transferring data at high speeds? Please list all that apply.

A

Signal jitter

Signal skew

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5
Q

In an SPP (Standard Parallel Port) what is the width of the input?__________ bits

A

4

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6
Q

Name the enhancements that USB 3.0 provides to the USB standard.

A

both hosts and devices transmit only when they have data

Increased power available for bus-powered devices

Full duplex (in and out simultaneously) operation @ 5GBps

Aggressive power management

no polling (host schedules all transactions)

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7
Q

In an SPP (Standard Parallel Port) what is the width of the output? ______________ bits

A

8

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8
Q

USB devices can be which of the following

A

Functions

Hubs

Root Hub

External Hub

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9
Q

What is the name for the way in which IEEE 1394 devices can be connected together without using a hub?

A

Daisy-chaining

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10
Q

Which HDD file system is not as likely to experience major data loss or data corruption when a fault occurs during a write operation?

A

NTFS

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11
Q

_______ connectors connect a cable from a device to host or hub (upstream)

A

Series A connectors

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12
Q

_____________ connectors connect a cable from a host or hub to a device (downstream)

A

Series B

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13
Q

When did Intel first include or formally release USB support?

A

1996

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14
Q

_________ is the tendency for a signal to reach the voltage that it is intended to reach and then float above and below that voltage for a period of time.

A

jitter

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15
Q

What happens to the USB speed in a computer system when additional devices are connected to the bus?

A

The bus will slow down

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16
Q

Serial ports are __________________ which means that no clocking signal travels with the serial data being sent

A

asynchronous

17
Q

If the icon for a USB contains a + sign, which USB specifications does it support?

A

USB 1.x and USB 2.0

18
Q

_________________ technology combines PCIe for high-speed data transfer and DisplayPort for audio/video at one end and splits them apart at the other

A

thunderbolt

19
Q

USB devices can be damaged if they are plugged into a hub that cannot provide the full current required by the device

A

True

Tech Support Concepts (14 decks)

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